Core i5-450M vs Celeron 847

The Core i5-450M packs 2 cores / 4 threads, matching the Celeron 847's 2 cores. Boost clocks reach 2.66 GHz on the Core i5-450M versus 1.1 GHz on the Celeron 847 — a 83% clock advantage for the Core i5-450M (base: 2.4 GHz vs 1.1 GHz). The Core i5-450M uses the Arrandale (2010−2011) architecture (32 nm), while the Celeron 847 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i5-450M scores 1,264 against the Celeron 847's 1,270 — a 0.5% lead for the Celeron 847. L3 cache: 3 MB (total) on the Core i5-450M vs 2 MB (total) on the Celeron 847.

The Core i5-450M uses the PGA988 socket (PCIe 2.0), while the Celeron 847 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core i5-450M versus DDR3-1333 on the Celeron 847 — the Core i5-450M supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 847 supports up to 16 GB of RAM compared to 8 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55,HM57,QM57 (Core i5-450M) and HM65,HM67 (Celeron 847).

Neither processor supports overclocking. Virtualization support: true (Core i5-450M) vs VT-x (Celeron 847). Both include integrated graphics — Intel HD Graphics (Ironlake) (Core i5-450M) and HD Graphics (Sandy Bridge) (Celeron 847) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 847 targets Budget. Direct competitor: Core i5-450M rivals AMD Turion II M620; Celeron 847 rivals Pentium 967.

The Core i5-450M launched at $32 MSRP, while the Celeron 847 debuted at $134. At current prices ($31 vs $15), the Celeron 847 is $16 cheaper. In terms of value (PassMark points per dollar), the Core i5-450M delivers 40.8 pts/$ vs 84.7 pts/$ for the Celeron 847 — making the Celeron 847 the 70% better value option.